NF A92-126*NF EN ISO 28764:2016 Vitreous and porcelain enamels - Production of specimens for testing enamels on sheet steel, sheet aluminium and cast iron
2016NF A92-126*NF EN ISO 28764:2016 Vitreous and porcelain enamels - Production of specimens for testing enamels on sheet steel, sheet aluminium and cast iron